Aprilia RS4 50 Replica (2015)

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The Aprilia RS4 50 Replica is a motorcycle released in 2015 with a two-stroke, single-cylinder engine that has a capacity of 49.9 cc. The bike has a compression ratio of 11.5:1, an automatic mixer lubrication system, and a carburetor fuel system. It features a six-speed transmission with multiple oil bath disc clutches, and a final drive chain with a ratio of 60/13. The RS4 50 Replica has a lightweight aluminum frame, upside-down front forks with a 41mm diameter, and a swingarm-mounted rear monoshock. It has stainless steel disc brakes on both the front and rear wheels, with 4-piston radial calipers on the front and single-piston calipers on the rear. The bike has light alloy wheels with 6 split spokes, and the front and rear rims measure 2.75 x 17 inches and 3.50 x 17 inches, respectively. It has a top speed of 96.6 km/h (~60 mph), and comes in racing replica white, red, and black colours. Reviews have been positive for the Aprilia RS4 50 Replica, with the moto and topspeed receiving high praise for its performance and design.

Technical specifications:

Make Model: Aprilia RS4 50 Replica

Year: 2015


Engine: Two stroke, single cylinder
Capacity: 49.9 cc / 3.05 cub in.
Bore x Stroke: 39.9 x 39.9 mm
Cooling System: Liquid cooled
Compression Ratio: 11.5:1
Lubrication: Automatix mixer
Fuel system: Carburetor
Exhaust: Single, stainless steel and chrome silencer
Ignition: CDI
Starting: Electric
Clutch: Multiple discs in oil bath
Transmission: 6-Speed
Primary Transmission: 69/29
Final Drive: Chain
Final Drive Ratio: 60/13

Frame: Aluminium
Front Suspension: Upside down fork, ~A41 mm
Front Wheel Travel: 110 mm / 4.3 in.
Rear Suspension: Asymmetric swingarm, monoshock
Rear Wheel Travel: 130 mm / 5.1 in.
Front Brakes: Stainless steel disc, 300 mm, 4-piston radial caliper
Rear Brakes: Stainless steel disc, 218 mm, single piston caliper
Wheels: Light alloy with 6 split spokes
Front Rim: 2.75 x 17 in.
Rear Rim: 3.50 x 17 in.
Front Tyre: 110/80-17
Rear Tyre: 130/70-17
Dimensions: Length: 1953 mm / 76.9 in Width: 740 mm / 29.1 in Height: 1138 mm / 44.8 in
Wheelbase: 1350 mm / 53.1 in
Seat Height: 820 mm / 32.3 in.
Fuel Capacity: 14.5 L / 3.8 US gal
Reserve: 3.5 L / 0.92 US gal
Top Speed: 96.6 km/h / 60 mph
Colours: Racing replica white, red and black
Review: moto, topspeed

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